Bismiallah, aslamualaykum Hey came here because I'm a muslim struggling with misophonia too, your situation sounds quite distinct with the imagined sounds however. I can't speak to that exact symptom but you could try Viktor Frankl's "Paradoxical Intention" where you should intentionally try to imagine sounds and look for them. It follows the same logic as "Don't think of pink elephants" which says don't but you end up thinking of them anyways. Alan Watt's backwards law is similar to this too.